Cryptographic Sequencer

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Batman's asylum Sequencer

The Cryptographic Sequencer is a gadget employed by Batman. It is a device used to hack into security consoles and unlock access to secure areas.[1] After recovering an encryption key, the Sequencer enables its user to lock onto secure radio broadcasts which are subsequently stored, tracked, and played back by the Batcomputer.[2][3]

Batman: Arkham Origins is the only time the Cryptographic Sequencer has ever been referred to by name outside of in-game menus.

In Cold, Cold Heart, screens within the propellant lab and Fries' abandoned lab make use of the Sequencer's hacking screen from Batman: Arkham Asylum. In the case of Fries' lab, the screens are given an icy blue color.